(19)

(11)

EP 3 996 801 A1

(12)

(43) Date of publication: 18.05.2022 Bulletin 2022/20 (21) Application number: 20742411.0 (22) Date of filing: 13.07.2020

(51) International Patent Classification (IPC):  A61N 1/05(2006.01) A61N 1/04(2006.01) A61N 1/36(2006.01) (52) Cooperative Patent Classification (CPC): A61N 1/0553; A61N 1/36062 (86) International application number: PCT/GB2020/051684 (87) International publication number: WO 2021/005382 (14.01.2021 Gazette 2021/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.07.2019 GB 201909984 (71) Applicant: Cambridge Enterprise Limited Cambridge, Cambridgeshire CB2 1TN (GB)	(72) Inventors: PROCTOR, Christopher Cambridge Cambridgeshire CB3 0GT (GB) BARONE, Damiano Giuseppe Cambridge Cambridgeshire CB3 0GT (GB) CURTO, Vincenzo Cambridge Cambridgeshire CB3 0GT (GB) WOODINGTON, Ben Cambridge Cambridgeshire CB3 0GT (GB) MALLIARAS, George Cambridge Cambridgeshire CB3 0GT (GB) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)